“Portland cement” means a hydraulic cement produced by pulverizing clinker consisting essentially of hydraulic calcium silicates and usually containing one or more of the forms of calcium sulfate as an interground addition.

Source. #6448, eff 1-29-97; ss by #7306, eff 6-13-00; ss by #9177, eff 6-13-08 (from We 101.27); renumbered by #12075 (formerly We 101.28)